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Themed collection Environmental fate of nanomaterials

30 items
Tutorial Review

Metal nanoparticles in the air: state of the art and future perspectives

Nanoparticles containing metals in their structure constitute an increasingly large group of substances present in the air.

Graphical abstract: Metal nanoparticles in the air: state of the art and future perspectives
Critical Review

Silver sulfide nanoparticles in aqueous environments: formation, transformation and toxicity

Formation and transformation of silver sulfide nanoparticles occur in both engineered and natural water systems with potential toxic effects to aqueous organisms.

Graphical abstract: Silver sulfide nanoparticles in aqueous environments: formation, transformation and toxicity
Communication

Aggregation morphology is a key factor determining protein adsorption on graphene oxide and reduced graphene oxide nanomaterials

The surface properties of graphene-based materials determine their protein-binding capacities via modulating the aggregation morphology of these materials.

Graphical abstract: Aggregation morphology is a key factor determining protein adsorption on graphene oxide and reduced graphene oxide nanomaterials
Paper

Arsenite oxyanions affect CeO2 nanoparticle dissolution and colloidal stability

Exposing ceria nanoparticles to high arsenite concentrations will trigger aggregation and settling, while lower concentrations promote dissolution through redox interactions.

Graphical abstract: Arsenite oxyanions affect CeO2 nanoparticle dissolution and colloidal stability
From the themed collection: Environmental fate of nanomaterials
Paper

Complementary colloid and collector nanoscale heterogeneity explains microparticle retention under unfavorable conditions

By incorporating discrete representative nanoscale heterogeneity (DRNH) on simulated surfaces, we constrained the scales and prevalence of nanoscale heterogeneity relevant to particle transport and retention in environmental granular media.

Graphical abstract: Complementary colloid and collector nanoscale heterogeneity explains microparticle retention under unfavorable conditions
From the themed collection: Environmental fate of nanomaterials
Paper

Inorganic salts and organic matter effects on nanorod, nanowire, and nanoplate MoO3 aggregation, dissolution, and photocatalysis

Inorganic salts (NaCl and CaCl2) and organic material (humic acid and extracellular polymeric substances) have differing effects on the aquatic stability and photocatalytic activity of structurally different MoO3 materials.

Graphical abstract: Inorganic salts and organic matter effects on nanorod, nanowire, and nanoplate MoO3 aggregation, dissolution, and photocatalysis
From the themed collection: Environmental fate of nanomaterials
Paper

Effect of calcination temperature on neptunium dioxide microstructure and dissolution

Solubility of neptunium dioxide decreases as microstructure grain size increases, likely due to decreasing surface free energy and surface area.

Graphical abstract: Effect of calcination temperature on neptunium dioxide microstructure and dissolution
From the themed collection: Environmental fate of nanomaterials
Paper

How does calcium drive the structural organization of iron–organic matter aggregates? A multiscale investigation

Calcium drives the structural transitions of iron–organic matter associations from colloidal aggregates to a non-colloidal micrometric network, subsequently controlling their mobility and the iron surface reactivity.

Graphical abstract: How does calcium drive the structural organization of iron–organic matter aggregates? A multiscale investigation
From the themed collection: Environmental fate of nanomaterials
Paper

Formation and transformation of schwertmannite through direct Fe3+ hydrolysis under various geochemical conditions

Formation and transformation of schwertmannite through direct Fe3+ hydrolysis were systematically explored under various geochemical conditions.

Graphical abstract: Formation and transformation of schwertmannite through direct Fe3+ hydrolysis under various geochemical conditions
From the themed collection: Environmental fate of nanomaterials
Paper

Grain boundary facilitated dissolution of nanocrystalline NpO2(s) from legacy waste processing

Nanocrystalline NpO2(s) dissolves preferentially at grain boundaries, producing aqueous and colloidal neptunium. Dissolution mechanisms may impact the environmental fate of NpO2(s) in legacy radioactive waste management.

Graphical abstract: Grain boundary facilitated dissolution of nanocrystalline NpO2(s) from legacy waste processing
Paper

Photo-production of reactive oxygen species and degradation of dissolved organic matter by hematite nanoplates functionalized by adsorbed oxalate

The geochemical cycling of iron and carbon can couple in unique ways in the euphotic zone of aquatic systems.

Graphical abstract: Photo-production of reactive oxygen species and degradation of dissolved organic matter by hematite nanoplates functionalized by adsorbed oxalate
Open Access Paper

Trophic transfer of CuO NPs from sediment to worms (Tubifex tubifex) to fish (Gasterosteus aculeatus): a comparative study of dissolved Cu and NPs enriched with a stable isotope tracer (65Cu)

This study used stable isotope-labeled copper oxide nanoparticles (65CuO NPs) to determine their trophic transfer potential from sediment to worms to fish at environmentally realistic exposure doses and compared to dissolved Cu (65CuCl2).

Graphical abstract: Trophic transfer of CuO NPs from sediment to worms (Tubifex tubifex) to fish (Gasterosteus aculeatus): a comparative study of dissolved Cu and NPs enriched with a stable isotope tracer (65Cu)
From the themed collection: Environmental fate of nanomaterials
Paper

Nanoparticle affinity for natural soils: a functional assay for determining particle attachment efficiency in complex systems

Few standardized methods and reference systems have been established for evaluating the behavior of engineered nanomaterials in complex media like natural soils.

Graphical abstract: Nanoparticle affinity for natural soils: a functional assay for determining particle attachment efficiency in complex systems
Paper

Effect of freeze/thaw on aggregation and transport of nano-TiO2 in saturated porous media

Research has focused on nanoparticle (NP) aggregation and transport behavior in saturated granular porous media, but few studies have looked at the effect that temperature variability associated with winter conditions will have on engineered NPs.

Graphical abstract: Effect of freeze/thaw on aggregation and transport of nano-TiO2 in saturated porous media
From the themed collection: Environmental Remediation
Paper

Formation of Fe(III)–As(V) complexes: effect on the solubility of ferric hydroxide precipitates and molecular structural identification

Soluble Fe(III)–As(V) complexes were found at both acidic and neutral conditions, which significantly change the solubility of ferric oxides.

Graphical abstract: Formation of Fe(iii)–As(v) complexes: effect on the solubility of ferric hydroxide precipitates and molecular structural identification
Paper

Emerging investigator series: ion diffusivities in nanoconfined interfacial water films contribute to mineral carbonation thresholds

Mineral carbonation reactivity trends and thresholds in nanoconfined water films delineated with in situ X-ray diffraction and molecular simulations.

Graphical abstract: Emerging investigator series: ion diffusivities in nanoconfined interfacial water films contribute to mineral carbonation thresholds
Paper

Effects of pH and electrolytes on the sheet-to-sheet aggregation mode of graphene oxide in aqueous solutions

Aggregation mode mediated by protonation and metal cations.

Graphical abstract: Effects of pH and electrolytes on the sheet-to-sheet aggregation mode of graphene oxide in aqueous solutions
From the themed collection: Environmental Remediation
Paper

Incorporation of Pb(II) into hematite during ferrihydrite transformation

Ferrihydrite is ubiquitous in natural environments, and its transformation significantly influences the fate of heavy metals.

Graphical abstract: Incorporation of Pb(ii) into hematite during ferrihydrite transformation
Paper

Tracing of iron nanoparticles using an elemental signatures approach: laboratory and field-scale verification

A new analytical approach for environmental tracing of iron nanoparticles used for nanoremediation has been developed. The methodology is based on ICP-MS analysis of the elemental signature of the nanoparticles.

Graphical abstract: Tracing of iron nanoparticles using an elemental signatures approach: laboratory and field-scale verification
From the themed collection: Environmental fate of nanomaterials
Paper

A model sensitivity analysis to determine the most important physicochemical properties driving environmental fate and exposure of engineered nanoparticles

Sensitivity analyses indicate attachment efficiency and transformation rate constant are most important in modeling environmental fate of engineered nanoparticles.

Graphical abstract: A model sensitivity analysis to determine the most important physicochemical properties driving environmental fate and exposure of engineered nanoparticles
Paper

Transformation of cerium dioxide nanoparticles during sewage sludge incineration

The incineration of sewage sludge leads to the incorporation of Ce from CeO2 nanoparticles into mineral structures.

Graphical abstract: Transformation of cerium dioxide nanoparticles during sewage sludge incineration
Paper

“Switching on” iron in clay minerals

We discovered a new mechanism explaining why iron in its oxidized form Fe(III) in clay minerals is reactive only in the presence of trace amounts of its reduced form—Fe(II).

Graphical abstract: “Switching on” iron in clay minerals
Paper

Heterogeneous conversion of SO2 on nano α-Fe2O3: the effects of morphology, light illumination and relative humidity

Hematite is one of the most important components in atmospheric mineral aerosols, which always presents different morphologies due to its different formation processes and various sources.

Graphical abstract: Heterogeneous conversion of SO2 on nano α-Fe2O3: the effects of morphology, light illumination and relative humidity
From the themed collection: Nanomaterials in air
Paper

Transformation of Ag ions into Ag nanoparticle-loaded AgCl microcubes in the plant root zone

Silver ions can be naturally transformed into silver nanoparticles due to the plant root exudate-mediated photoreduction of silver chloride microcubes.

Graphical abstract: Transformation of Ag ions into Ag nanoparticle-loaded AgCl microcubes in the plant root zone
Paper

Nano zero-valent iron aging interacts with the soil microbial community: a microcosm study

This study is among the first to reveal nZVI aging in the soil ecosystem and its interactions with the soil microbial community.

Graphical abstract: Nano zero-valent iron aging interacts with the soil microbial community: a microcosm study
From the themed collection: Environmental fate of nanomaterials
Paper

Ferrihydrite transformation under the impact of humic acid and Pb: kinetics, nanoscale mechanisms, and implications for C and Pb dynamics

We, at nanoscale, demonstrated a visualized description of ferrihydrite transformation to crystalline Fe oxides under the impact of Pb and HA.

Graphical abstract: Ferrihydrite transformation under the impact of humic acid and Pb: kinetics, nanoscale mechanisms, and implications for C and Pb dynamics
From the themed collection: Environmental fate of nanomaterials
Paper

Comparative assessment of the phase transfer behaviour of InP/ZnS and CuInS/ZnS quantum dots and CdSe/ZnS quantum dots under varying environmental conditions

It is vital to assess the behavior of quantum dots in different environmental media to determine their environmental impacts and potential health risks.

Graphical abstract: Comparative assessment of the phase transfer behaviour of InP/ZnS and CuInS/ZnS quantum dots and CdSe/ZnS quantum dots under varying environmental conditions
From the themed collection: Environmental fate of nanomaterials
Paper

Transformation of silver nanoparticle consumer products during simulated usage and disposal

Sequential exposure of silver nanoparticle suspensions to various media gives new insight to the environmental fate of nano-enabled consumer products.

Graphical abstract: Transformation of silver nanoparticle consumer products during simulated usage and disposal
From the themed collection: Environmental fate of nanomaterials
Paper

Determination of the bioaccessible fraction of cupric oxide nanoparticles in soils using an in vitro human digestibility simulation

This study looks at the potential for ingested nanomaterials dosed in soil, to become bioaccessible for human intestinal absorption.

Graphical abstract: Determination of the bioaccessible fraction of cupric oxide nanoparticles in soils using an in vitro human digestibility simulation
Paper

Natural organic matter inhibits aggregation of few-layered black phosphorus in mono- and divalent electrolyte solutions

NOM coating enabled stabilization of BPs in CaCl2 solutions via steric repulsion and isolating Ca2+ ions from interaction with BPs.

Graphical abstract: Natural organic matter inhibits aggregation of few-layered black phosphorus in mono- and divalent electrolyte solutions
From the themed collection: Environmental fate of nanomaterials
30 items

About this collection

This web collection includes research articles published in Environmental Science: Nano featuring nanomaterial environmental fate studies.

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